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Ubuntu: USN-6740-1 (CVE-2023-1838): Linux kernel vulnerabilities

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Ubuntu: USN-6740-1 (CVE-2023-1838): Linux kernel vulnerabilities

Severity
6
CVSS
(AV:L/AC:L/Au:S/C:C/I:N/A:C)
Published
04/05/2023
Created
04/22/2024
Added
04/22/2024
Modified
01/28/2025

Description

A use-after-free flaw was found in vhost_net_set_backend in drivers/vhost/net.c in virtio network subcomponent in the Linux kernel due to a double fget. This flaw could allow a local attacker to crash the system, and could even lead to a kernel information leak problem.

Solution(s)

  • ubuntu-upgrade-linux-image-4-15-0-1130-oracle
  • ubuntu-upgrade-linux-image-4-15-0-1151-kvm
  • ubuntu-upgrade-linux-image-4-15-0-1161-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1167-aws
  • ubuntu-upgrade-linux-image-4-15-0-1176-azure
  • ubuntu-upgrade-linux-image-4-15-0-224-generic
  • ubuntu-upgrade-linux-image-4-15-0-224-lowlatency
  • ubuntu-upgrade-linux-image-aws-hwe
  • ubuntu-upgrade-linux-image-aws-lts-18-04
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-lts-18-04
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-gcp-lts-18-04
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-hwe-16-04
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-hwe-16-04
  • ubuntu-upgrade-linux-image-oem
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-lts-18-04
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-16-04

References

  • https://attackerkb.com/topics/cve-2023-1838
  • CVE - 2023-1838
  • USN-6740-1
  • 查看数 696
  • 已创建
  • 最后回复

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